A dual layer DVD is valued because it
1.Can hold more data
2.Creates alternative sound tracks
3.Contains a backup of the data stored
4.None of the above
A System in which only 0 and 1 is possible is known as
1.Binary
2.Hexadecimal
3.Decimal
4.Octal
After the first photons of light are produced, which process is responsible for amplification of the light?
1.Plancks radiation
2.Einstein oscillation
3.Stimulated emission
4.Blackbody radiation
BAK extension refers usually to which of the following kind of file?
1.Audio file
2.Animation/movie file
3.Backup file
4.MS Encarta document
BAT extension refers usually to what kind of file?
1.Audio file
2.Compressed Archive file
3.System file
4.Backup file
Bytes contain how many bits ?
1.1
2.2
3.3
4.None of the above
CD computer abbreviation usually means ?
1.Change data
2.Command Description
3.Compact Disc
4.Copy Density
Compact discs holds how many minutes of music?
1.89 mins
2.74 mins
3.56 min
4.45 min
Computer computes the number in which mode ?
1.Binary
2.Decimal
3.Hexadecimal
4.Octal
Computer works on the Binary Number which contain only
1.2 number
2.1 number
3.3 number
4.None of the above
CPU stands for ?
1.Command push unit
2.Central processing unit
3.Call police unit
4.None of the above
DB computer abbreviation usually means ?
1.Double Byte
2.Database
3.Data Block
4.None of the above
Device that are used to convert AC to DC voltage ?
1.Bridge
2.RAM
3.ROM
4.Rectifier
DOS stands for ?
1.Disk operating System
2.Data operating System
3.Data operate System
4.None of the above
DTP computer abbreviation usually means?
1.Data Type Programming
2.Digital Transmission Protocol
3.DeskTop Publishing
4.Document Type Processing
Fill in the blanks: A given signals second harmonic is twice the given signals __________ frequency?
1.Field
2.Fourier
3.Foundation
4.Fundamental
Fill in the blanks: FET is a type of transistor, Its full name is __________ Effect Transistor?
1.Force
2.Field
3.Factor
4.None of the above
Graphics for the word processor is also known as ?
1.Clip art
2.Highlight
3.GUI
4.CGI
How do you subscribe to an Internet mailing list ?
1.Send e-mail to the list manager
2.Send the letter to the list
3.Contact your Internet service provider
4.All of the above
How many bits are in the Byte ?
1.1
2.2
3.4
4.8
How many diode are used to make a Full wave Bridge rectifier ?
1.2
2.4
3.8
4.10
If computer slow dorm gradually, what the reason behind it ?
1.Adware/spyware is infecting your PC
2.our processor chip is just getting old
3.Overheating
4.None of the above
In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?
1.5 thousand volts
2.100 thousand volts
3.500 volts
4.25 thousand volts
In Digital circuit what is 1 AND 1
1.0
2.1
3.2
4.3
In Digital circuit what is 1 OR 0 ?
1.0
2.1
3.2
4.3
In the UK, what type of installation requires a firemans switch?
1.High Pressure Sodium Lighting
2.Neon Lighting
3.Hotel Rooms
4.Water Features
In the United States the television broadcast standard is?
1.NTSC
2.PAL
3.RGB
4.SECAM
In which of the following decade was the American Institute of Electrical Engineers (AIEE) founded?
1.1880s
2.1850s
3.1930s
4.1940s
In which of the following decade was the ARRL founded?
1.1910s
2.1920s
3.1930s
4.1940s
In which of the following decade was the SPICE simulator introduced?
1.1972s
2.1976s
3.1980s
4.1994s
In which of the following decade with the first transatlantic radio broadcast occur?
1.1870s
2.1880s
3.1890s
4.1900s
In which of the following memory, we only perform the read operation ?
1.RAM
2.ROM
3.Cache
4.Virtual memory
In which of the following year was MIDI(dress) introduced?
1.1983
2.1987
3.1992
4.1998
In which of the following year was the (@) chosen for its use in e-mail addresses?
1.1972
2.1974
3.1976
4.1978
In which type of memory, we can not perform a Write operation ?
1.RAM
2.ROM
3.Cache
4.None of the above
In which year a transistor invented ?
1.1940
2.1950
3.1960
4.1970
In which year, the first success diode was invented ?
1.1900
2.1800
3.1950
4.1990
INI extension refers usually to what kind of file?
1.System file
2.Image file
3.Image Color Matching Profile file
4.Hypertext related file
JPG extension refers usually to which of the following kind of file?
1.Animation/movie file
2.System file
3.Image file
4.MS Encarta document
Kbps is the unit of the
1.Website
2.Mobile application
3.Data flow
4.All of the above
Made from a variety of materials, such as carbon, which of the following inhibits the flow of current?
1.Inductor
2.Choke
3.Capacitor
4.Resistor
Modem stands for :
1.Memory Demagnetization
2.Modulator Demodulater
3.Monetary Demarkation
4.Monetary Devaluation Exchange Mechanism
Most modern TVs draw power even if turned off. The circuit the power is used in does what function?
1.Remote control
2.Sound
3.High voltage
4.Color balance
MOV extension refers usually to which of the following kind of file?
1.Audio file
2.Image file
3.MS Office document
4.Animation/movie file
MPG extension refers to what kind of file? choose the correct answer for it.
1.Animation/movie file
2.Image file
3.WordPerfect Document file
4.MS Office document
Name of the terminal of a BJT ?
1.Emitter, Base, Collector
2.Drain, Gate, Source
3.Anode, Cathode, Triode
4.Positive,Negative, Neutral
Once the active medium is excited, the first photons of light are produced by which of the following physical process?
1.Plancks oscillation
2.Blackbody radiation
3.Spontaneous emission
4.Synchrotron radiation
OS computer abbreviation usually means ?
1.Open Software
2.Order of Significance
3.Optical Sensor
4.Operating System
RAM stands for ?
1.Random access memory
2.Robon Admin Memory
3.Read a manual
4.None of the above
Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
1.Under Paneling Storage
2.United Parcel Service
3.Uniform Product Support
4.Uninterruptable Power Supply
The desktop of the computer screen is refers as the
1.Storage
2.Internal commands
3.Visible Screen
4.All of the above
The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a?
1.Yoke
2.Transformer
3.Diode
4.Capacitor
The most common format for a home video recorder is VHS. VHS stands for?
1.Very high speed
2.Video Home System
3.Voltage house standard
4.Video horizontal standard
The NTSC (National Television Standards Committee) is also used in which of the following country?
1.China
2.Japan
3.England
4.USA
The sampling rate, (how many samples per second are stored) for a CD is?
1.48 kHz
2.48.4 kHz
3.22,050 Hz
4.44.1 kHz
The speed of your Internet is define in term of the______
1.KB
2.MB
3.KBPS
4.RAM
The transformer that develops the high voltage in a home television is commonly called as?
1.Flyback
2.Tesla coil
3.Van de Graaf
4.Yoke
TMP extension refers usually to what kind of file?
1.Image file
2.Audio file
3.Compressed Archive file
4.Temporary file
To select Text by Shading as you drag the mouse arrow over the text is known as
1.Clip art
2.To highlight
3.To fetch
4.To communicate
TXT extension refers usually to which of the following kind of file?
1.Image file
2.Text File
3.Adobe Acrobat file
4.Audio file
Voltage is sometimes referred to as EMF, or Electromotive ?
1.Force
2.Flash
3.Feild
4.Factor
What designates where the next action occurs ?
1.Clip
2.Select
3.Highlight
4.Decade
What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?
1.Internet
2.Inernet
3.Local Area Network
4.All of the above
What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.
1.URL (Universal Resource Locator)
2.WAN (Wide Area Network)
3.LAN (Local Area Network)
4.World Wide Web
What do you say to the computer that require a file from the other computer ?
1.A client
2.A machine
3.A server
4.All of the above
What do you understand by JPG ?
1.A type of hard disk
2.A Jumper Programmed Graphic
3.A format for an image file
4.None of the above
What does AC and DC stand for in the electrical field?
1.A Rock Band from Australia
2.Alternating Current and Direct Current
3.Atlantic City and District of Columbia
4.Average Current and Discharged Capacitor
What does AM mean?
1.Amperes
2.Anno median
3.Angelo marconi
4.Amplitude modulation
What does the term PLC stand for?
1.Program List Control
2.Programmable Logic Controller
3.Programmable Lift Computer
4.Piezo Lamp Connector
What does VVVF stand for? and It is a method of controlling the speed of an AC induction motor, whereby speed, current and torque can all be accurately controlled.
1.Variable Velocity Variable Fun
2.Variant Voltage Vile Frequency
3.Variable Voltage Variable Frequency
4.Very Very Vicious Frequency
What is a Web Browser ?
1.A king of Spider
2.A person that look for the website
3.A computer that store www file
4.A software program that allows you to access sites on the World Wide Web
What is the average power (in watts) used by a 20 to 25 inch home color television is?
1.25-50
2.70-100
3.500-800
4.None of the above
What is the difference between the Internet and the Intranet ?
1.One is safe, the other is private
2.One is private, the other is safe
3.One is public, the other is private
4.Both are safe
What is the FET ?
1.Field Effect Transform
2.Field Effort Transistor
3.Field Effect Transistor
4.None of the above
What is the input used by an antenna or cable to a TV set uses frequencies called?
1.AF
2.IF
3.RF
4.SAP
What is the location of the headquarters of Intel?
1.Tucson, Arizona
2.Redmond, Washington
3.Richmond, Virginia
4.Santa Clara, California
What is the mean of AM ?
1.Angelo marconi
2.Amperes
3.Anno median
4.Amplitude modulation
What is the name of the first step to getting output from a laser is to excite an active medium?
1.Priming
2.Pumping
3.Exciting
4.Raising
What is the name of the part of a database that holds only one type of information?
1.Record
2.Report
3.File
4.Field
What is the name of the person who developed Yahoo?
1.David Filo & Jerry Yang
2.Dennis Ritchie & Ken Thompson
3.Steve Case & Jeff Bezos
4.Vint Cerf & Robert Kahn
What is the purpose of choke in tube light ?
1.To increase the current
2.To decrease the current
3.To increase the voltage momentarily
4.To decrease the voltage momentarily
When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its Noise?
1.Force
2.Fall
3.Fundamental
4.Figure
Which among the following is the term to ask the computer to put information in order numerically or alphabetically?
1.Report
2.Crop
3.Sort
4.Record
Which of the following are the three types of lasers?
1.Pointer, diode, CD
2.Gas, metal vapor, rock
3.Gas, solid state, diode
4.Diode, inverted, pointer
Which of the following consists of two plates separated by a dielectric and can store a charge?
1.Capacitor
2.Inductor
3.Relay
4.Transistor
Which of the following frequency range is the High Frequency band?
1.1 GHz
2.100 kHz
3.3 to 30 MHz
4.30 to 300 MHz
Which of the following is a type of Electrically-Erasable Programmable Read-Only Memory?
1.Fury
2.Flash
3.FRAM
4.Flange
Which of the following is early mainframe computer ?
1.UNIX
2.ENIAC
3.DOC
4.None of the above
Which of the following is NOT an acceptable method of distributing small power outlets throughout an open plan office area?
1.Flush Floor Ducting
2.Power Poles
3.Power Skirting
4.Extension Cords
Which of the following is the Search engine ?
1.FTP
2.www
3.google
4.facebook
Which of the following is used to store the charges ?
1.Transistor
2.Diode
3.Capacitor
4.Register
Which of the following motor is NOT suitable for use as a DC machine?
1.Synchronous motor
2.Permanent magnet motor
3.Squirrel cage motor
4.Series motor
Which of the following was the active medium used in the first working laser ever constructed?
1.A ruby rod
2.A diamond block
3.Carbon dioxide gas
4.None of the above
Which of the following was the first ARPANET message?
1.Hello world
2.lo
3.Cyberspace, the final frontier
4.Marry had a little lamb.
Which of the following will a UPS be used for in a building?
1.To control lighting and power systems
2.To provide power to essential equipment
3.To monitor building electricity use
4.To carry messages between departments
Who among the following built the worlds first binary digit computer Z1?
1.George Boole
2.Ken Thompson
3.Konrad Zuse
4.Alan Turing
Who among the following co-created the UNIX operating system in 1969 with Dennis Ritchie?
1.Steve Wozniak
2.Bjarne Stroustrup
3.Niklaus Wirth
4.Ken Thompson
Who among the following co-founded Hotmail in 1996 and then sold the company to Microsoft
1.Ray Tomlinson
2.Shawn Fanning
3.Ada Byron Lovelace
4.Sabeer Bhatia
Who among the following created Pretty Good Privacy (PGP)?
1.Ken Thompson
2.Phil Zimmermann
3.Tim Berners-Lee
4.Marc Andreessen
Who among the following is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?
1.George Boole
2.Alan Turing
3.Jeff Bezos
4.Charles Babbage